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| author | Yael Chemla <yael.chemla@foss.arm.com> | 2018-10-18 15:59:57 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-11-09 12:36:49 +0300 |
| commit | f1e52fd0fbd67fbf342932506cd7a6e27c090c5f (patch) | |
| tree | 7211af73721ae914ad8ae31bcb68a31cde6c0ea7 /drivers/crypto/ccree/cc_driver.c | |
| parent | 9b8d51f812ce5c8bfffe440391fe85f6e5349f07 (diff) | |
| download | linux-f1e52fd0fbd67fbf342932506cd7a6e27c090c5f.tar.xz | |
crypto: ccree - adjust hash length to suit certain context specifics
Adjust hash length such that it will not be fixed and general for all algs.
Instead make it suitable for certain context information.
This is preparation for SM3 support.
Signed-off-by: Yael Chemla <yael.chemla@foss.arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccree/cc_driver.c')
| -rw-r--r-- | drivers/crypto/ccree/cc_driver.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/crypto/ccree/cc_driver.c b/drivers/crypto/ccree/cc_driver.c index 630c598af627..09a6ada0b547 100644 --- a/drivers/crypto/ccree/cc_driver.c +++ b/drivers/crypto/ccree/cc_driver.c @@ -211,12 +211,10 @@ static int init_cc_resources(struct platform_device *plat_dev) new_drvdata->hw_rev = hw_rev->rev; if (hw_rev->rev >= CC_HW_REV_712) { - new_drvdata->hash_len_sz = HASH_LEN_SIZE_712; new_drvdata->axim_mon_offset = CC_REG(AXIM_MON_COMP); new_drvdata->sig_offset = CC_REG(HOST_SIGNATURE_712); new_drvdata->ver_offset = CC_REG(HOST_VERSION_712); } else { - new_drvdata->hash_len_sz = HASH_LEN_SIZE_630; new_drvdata->axim_mon_offset = CC_REG(AXIM_MON_COMP8); new_drvdata->sig_offset = CC_REG(HOST_SIGNATURE_630); new_drvdata->ver_offset = CC_REG(HOST_VERSION_630); @@ -468,6 +466,14 @@ int cc_clk_on(struct cc_drvdata *drvdata) return 0; } +unsigned int cc_get_default_hash_len(struct cc_drvdata *drvdata) +{ + if (drvdata->hw_rev >= CC_HW_REV_712) + return HASH_LEN_SIZE_712; + else + return HASH_LEN_SIZE_630; +} + void cc_clk_off(struct cc_drvdata *drvdata) { struct clk *clk = drvdata->clk; |